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December 21, 2014

December 21, 2014

Posted by **nabiha** on Thursday, September 9, 2010 at 2:16pm.

please can someone help me on how to get the answer 2+square root 5

- maths -
**Henry**, Thursday, September 9, 2010 at 4:06pm(5 + 2sqrt(5)) / sqrt(5)

Multiply numerator and denominator by

sqrt(5):

(5sqrt(5) + 2 * 5) / 5 =

(5sqrt(5) + 10) / 5 =

Divide numerator and denominator by 5:

(sqrt(5) + 2) / 5

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